Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. The term excludes seawater and brackish water, …

Apr 3, 2025 · Every living thing on Earth needs water to survive, but more than 100,000 species, including our own, need a special kind of water that can only be found in certain places and is in very …

Aug 7, 2025 · Freshwater biomes support an astonishing diversity of life. Though they make up only about 3% of Earth’s water, they host 10% of all known animal species and 40% of all fish species.

Jun 16, 2025 · Freshwater ecosystems are characterized by their low salt concentration, typically less than 1% (or 1 part per thousand). This distinguishes them from marine and estuarine ecosystems. …

Aug 8, 2022 · Freshwater is where most of the water we drink comes from and plays countless other important roles in nature. Learn more about the biome and how climate change is affecting it, below.

Freshwater is defined as having a low salt concentration usually less than 1%. Plants and animals in freshwater regions are adjusted to the low salt content and would not be able to survive in areas of …

Freshwater habitats—such as lakes, rivers, streams, wetlands, and aquifers—house an incredible proportion of the world’s biodiversity: more than 10% of all known animals and about 50% of all …

Water is essential to life on Earth. It has three phases (solid, liquid, and gas). In these three phases, water ties together the major parts of the Earth’s climate system — air, clouds, the ocean, lakes, …

Dec 23, 2025 · From sustaining agriculture and energy to shaping landscapes and communities, freshwater is essential. NASA’s Earth science data helps the nation manage this vital resource, …

Explore Louisiana's freshwater fishing hotspots. Discover abundant lakes, bayous, and streams offering access to bass, catfish, crappie and other freshwater fish.